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DBB - Spring Applied and Pressure Released Disc Brakes

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Model DBB brakes are spring applied, pressure released, disc style brakes. They develop equal torque in either direction of rotation. Their torque and thermal capacities allow them to be used in the most demanding applications.

Brake construction and operation is shown in the figure. Pressurizing the brake compresses the brake springs and withdraws the clamping plates from the brake discs. Standard brakes are furnished with either one or two discs, which are free to move axially.

Model DBB uses a conventional piston design to release the brake discs.

The rotating component of the DBB style brake is a very low inertia friction disc core with riveted on friction discs. The low inertia of the rotating components coupled with the high heat sink capacity of the stationary members allow these units to provide superior performance in high cyclic applications. In applications requiring higher speed operation or where precise balance of the rotating components is required, the DBBS style is offered, which utilizes a solid rotor and stationary friction material. Similar to the DBAS design, the DBBS should only be used for applications where brake engagement is non-cyclic.

Torque ratings listed are for brakes with a standard compliment of springs. The quantity of springs can be varied to customize the torque of the brake to suit a particular application. Consult the factory for brake torque of units with non-standard spring configurations.

Brake sizes are indicated by the number of brake discs and the disc diameter in inches. For instance, size 225DBB has two discs 25 inches in diameter.




   
  Results 1 - 25 of 33 Unit of Measure: Imperial Metric Both 1 2 

Item #

Gear Part Number

Dynamic Torque Rating

Manufacturer

Actuation

146333 415313 7500 lb·in
847
Nm
Eaton-Airflex Spring Applied, Air Release
146334 415314 14000 lb·in
1581
Nm
Eaton-Airflex Spring Applied, Air Release
146380 416481 19400 lb·in
2192
Nm
Eaton-Airflex Spring Applied, Air Release
146222 415454 30000 lb·in
3387
Nm
Eaton-Airflex Spring Applied, Air Release
146337 415302 57000 lb·in
6435
Nm
Eaton-Airflex Spring Applied, Air Release
146299 415900 53500 lb·in
6040
Nm
Eaton-Airflex Spring Applied, Air Release
146300 416059 101500 lb·in
11459
Nm
Eaton-Airflex Spring Applied, Air Release
146378 416304 149500 lb·in
16879
Nm
Eaton-Airflex Spring Applied, Air Release
146379 416471 180000 lb·in
20338
Nm
Eaton-Airflex Spring Applied, Air Release
146315 416073 115300 lb·in
13017
Nm
Eaton-Airflex Spring Applied, Air Release
146327 416074 219000 lb·in
24725
Nm
Eaton-Airflex Spring Applied, Air Release
146370 416223 303000 lb·in
34237
Nm
Eaton-Airflex Spring Applied, Air Release
146381 416477 392000 lb·in
44067
Nm
Eaton-Airflex Spring Applied, Air Release
146295 416068 420000 lb·in
47418
Nm
Eaton-Airflex Spring Applied, Air Release
146296 416069 800000 lb·in
90320
Nm
Eaton-Airflex Spring Applied, Air Release
146386 416241 1153000 lb·in
130282
Nm
Eaton-Airflex Spring Applied, Air Release
146387 416464 1470000 lb·in
166101
Nm
Eaton-Airflex Spring Applied, Air Release
146323 415900 80000 lb·in
9.032
Nm
Eaton-Airflex Spring Applied, Air Release
146322 416059 150000 lb·in
16.935
Nm
Eaton-Airflex Spring Applied, Air Release
146373 416471 224000 lb·in
25.290
Nm
Eaton-Airflex Spring Applied, Air Release
146374 416472 220000 lb·in
24.839
Nm
Eaton-Airflex Spring Applied, Air Release
146320 416073 173000 lb·in
19.532
Nm
Eaton-Airflex Spring Applied, Air Release
146330 416074 325000 lb·in
36.693
Nm
Eaton-Airflex Spring Applied, Air Release
146382 416477 455000 lb·in
51.372
Nm
Eaton-Airflex Spring Applied, Air Release
146383 416470 585000 lb·in
66.049
Nm
Eaton-Airflex Spring Applied, Air Release
  Results 1 - 25 of 33 1 2